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netfilter/ipvs: clear ipvs_property flag when SKB net namespace changed 

When run ipvs in two different network namespace at the same host, and one
ipvs transport network traffic to the other network namespace ipvs.
'ipvs_property' flag will make the second ipvs take no effect. So we should
clear 'ipvs_property' when SKB network namespace changed.

Fixes: 621e84d6f3 ("dev: introduce skb_scrub_packet()")
Signed-off-by: Ye Yin <hustcat@gmail.com>
Signed-off-by: Wei Zhou <chouryzhou@gmail.com>
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
zero-colors
Ye Yin 2017-10-26 16:57:05 +08:00 committed by David S. Miller
parent 24de79e500
commit 2b5ec1a5f9
2 changed files with 8 additions and 0 deletions
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7
include/linux/skbuff.h
View File

@ -3770,6 +3770,13 @@ static inline void nf_reset_trace(struct sk_buff *skb)
#endif
}
static inline void ipvs_reset(struct sk_buff *skb)
{
#if IS_ENABLED(CONFIG_IP_VS)
skb->ipvs_property = 0;
#endif
}
/* Note: This doesn't put any conntrack and bridge info in dst. */
static inline void __nf_copy(struct sk_buff *dst, const struct sk_buff *src,
bool copy)

1
net/core/skbuff.c
View File

@ -4864,6 +4864,7 @@ void skb_scrub_packet(struct sk_buff *skb, bool xnet)
if (!xnet)
return;
ipvs_reset(skb);
skb_orphan(skb);
skb->mark = 0;
}